[PATCH] D156713: [AMDGPU][RFC] Add a target feature for GDS

[Jay Foad via Phabricator via llvm-commits]

foad created this revision.
foad added reviewers: AMDGPU, b-sumner.
Herald added subscribers: StephenFan, kerbowa, hiraditya, tpr, dstuttard, yaxunl, jvesely, kzhuravl, arsenm.
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foad requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

Also add predicates to selection patterns for GDS forms of DS
instructions so we get "cannot select" diagnostics, but this is hard to
test since all subtargets currently have GDS.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D156713

Files:
  llvm/lib/Target/AMDGPU/AMDGPU.td
  llvm/lib/Target/AMDGPU/DSInstructions.td
  llvm/lib/Target/AMDGPU/GCNProcessors.td
  llvm/lib/Target/AMDGPU/GCNSubtarget.h

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